<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>作业1</title>
	<script>
		   var sum=0;
		   for(var i = 1;i<=5;i++){
                   var score=Number(prompt());
                   sum+=score;
		   }
		   console.log(sum/5);
	</script>
</head>
<body>
	
</body>
</html>